value	unc_up	unc_lo	author	ref	method
0.052	0.0246	0.0246	Masiero	2011ApJ...741...68M	NEATM
0.052	0.0280	0.0620	Masiero	2021PSJ.....2..162M	NEATM
0.063	0.0308	0.0308	Masiero	2017AJ....154..168M	NEATM